Indira Varma Joins the Game of Thrones Cast as Ellaria Sand Game of Thrones has got a new cast member ! Indira Varma will play Ellaria Sand in Game of Thrones Season Four Indira Varma has been cast as Ellaria Sand, the companion of Oberyn Martell (aka the Red Viper). Pedro Pascal was earlier cast as the Red Viper. Ellaria has four daughters with Oberyn and along with his other illegitimate children they are known as the Sand Snakes. Indira Varma formerly starred in HBO’s historical drama, Rome as Lucius’s wife Niobe. She’s also starred in Hunter, Human Target, Bones and Luther. Production on season four of Game of Thrones starts later this month. The popular fantasy series will return to TV screens in 2014.